feat: add `est_association` field to ES #879

	---
	name: Lint Code Base
	on: [push, pull_request]
	jobs:
	build:
	name: Lint Code Base
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Install Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.11.2"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install --upgrade ruff
	python -m pip install --upgrade black
	# Include `--format=github` to enable automatic inline annotations.
	- name: Run Ruff
	run: ruff check --diff -- --format=github .
	- name: Run Black
	uses: psf/black@stable

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